Built-in Magnet Metal & Portable — This battery case could work well with magnetic car mount directly when driving (Car Mount Not Included) with the built-in magnetic metal; Light-weight, Handled design, easily hold by only one hand.

★ Provide 80% Extra Battery Life — Built with a powerful 6000mAh Li-Polymer rechargeable battery that will provide 100% extra battery life to your iPhone X.

★ Dual Charging Compatible and Data-Sync: Charge and sync your iPhone X to your MacBook, PC or laptop, no need to remove battery case. Smart charge design, charge your phone first and after it is fully charged, it will be intelligently change to charge the backup battery. (Please turn on the case during charging).